John Stepan Zamecnik (Cleveland, Ohio, May 14 1872 - Los Angeles, California, June 3 1953) was an American composer and conductor, most notably of "photoplay music." (music used by silent film theater orchestras)
He used many pseudonym, including Dorothy Lee, Lionel Baxter, R.L. (Robert) Creighton, Arturo de Castro, "Josh and Ted", J. (Jane) Hathaway, Kathryn Hawthorne, Roberta Hudson, Ioane Kawelo, J. Edgar Lowell, Jules Reynard, F. (Frederick) Van Norman, Hal Vinton and Grant Wellesley.

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